leds: leds-qpnp: Add brightness control for mpp leds

Add brightness control by changing the current supplied
to leds in manual mode.

CRs-fixed: 539440
Change-Id: I3170e0edb2e5a963ee006923cb6d80172290bc88
Signed-off-by: Mohan Pallaka <mpallaka@codeaurora.org>
1 file changed